import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;

public class HelloClosuresApplet extends JApplet {

    public void init() {
        
        JButton button = new JButton("Press Me");
        button.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent evt) {
                JOptionPane.showMessageDialog(null, "Hello Closures");
            }
            
        });
        
        this.getContentPane().add(button);
        
    }
    
}